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us-census-bureau-data-api-mcp
The U.S. Census Bureau Data API MCP connects AI Assistants with official Census Bureau statistics.
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// key findings
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 1 credential: CENSUS_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// required environment variables
This server reads these from
process.env. You'll be asked to provide them before it can run.🔐 secret
CENSUS_API_KEY— "": "YOUR_CENSUS_API_KEY"config
DATABASE_URL— A .env file needs to be created in the mcp-db/ directory with a valid variable defined. The sample.env in the same directory includes the default value.config
GITHUB_ACTIONSconfig
SEED_MODE// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 0 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[](https://m8ven.ai/mcp/uscensusbureau-us-census-bureau-data-api-mcp-1nvxbe)commit: 5dcaa637871b9ded5dab415118f9008c06d13f2a
code hash: 6dc874ccc2275e6e6c71b0c91a9b350671a780bd3763102b0e1d10e5acc336bb
verified: 6/14/2026, 10:53:59 AM